3 5/16" Archaic Bannerstone - green and black Banded Slate, found in Allegan Co., Ohio.

3 5/16" Archaic Bannerstone made from green and black Banded Slate found in Allegan Co. Ohio. Ex. Billy Bush Collection. From the collection of the late David L. Root. This item will be pictured in the upcoming book The Collection of David Leigh Root - Vol. 3 which comes out in early 2023.